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MOT History from tests of petrol MG B SPORTSs year 1977

Review the list of common MG B SPORTS failures below or to perform a specific mot history check on your MG then use our popular KnowYourCar service

mot history
Pass percent:63.33%
(The average a petrol MG B SPORTS year 1977 passes without issue)
Based on:90 MOT Tests
Most common failuresNo# failures
Headlamp aim out of alignment11
Exhaust emissions carbon monoxide content excessive |7.3.B.1a|8
Exhaust emissions hydrocarbon content excessive |7.3.B.1b|4
Nearside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3|4
Parking brake: efficiency below requirements |3.7.B.7|4
Rear brake binding3
Brake pipe excessively corroded3
Windscreen wiper does not clear the windscreen effectively3
Offside Front Track rod end ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.2.C.1c|2
Hazard warning lamps inoperative |1.4.B.1b|2
Nearside Steering rack gaiter split |2.2.D.2d|2
Registration plate issues2
Rear parking brake recording little or no effort2
Nearside Front Brake pipe inadequately clipped |3.6.B.1|2
Parking brake lever has no reserve travel |3.1.6b|2
Offside Front Steering rack gaiter split |2.2.D.2d|1
Rear brake application uneven1
Front All position lamps not working |1.1.A.3b|1
Rear All position lamps not working |1.1.A.3b|1
Registration plate lamp issues1
Front Headlamp not working on dipped beam |1.7.5a|1
Front Headlamp not working on main beam |1.7.5a|1
Headlamp switch faulty |1.7.1|1
Nearside Front Track rod end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c|1
Offside Front Front wheel bearing has excessive play |2.5.A.3c|1
Offside Rear Rear position lamp|s| incorrect colour |1.1.A.3e|1
Offside Rear Stop lamp emits other than a steady red light |1.2.1e|1
Offside Front coil spring broken |2.4.C.1a|1
Offside rear brake recording little or no effort |3.7.B.5a|1
Offside Rear position lamp|s| not working |1.1.A.3b|1
Offside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3|1
Nearside Steering rack insecure |2.2.B.1a|1
Nearside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2|1
Offside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2|1
Nearside Front Front position lamp|s| not working |1.1.A.3b|1
Direction indicators flashing less than 60 times a minute |1.4.A.2g|1
Nearside Rear Leaf spring has excessive wear in an anchor pin and/or bush |2.4.B.2|1
Offside Rear Leaf spring has excessive wear in an anchor pin and/or bush |2.4.B.2|1
Nearside Rear Suspension component mounting prescribed area is inadequately repaired |2.4.A.3|1
Offside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6|1
Offside front brake binding |3.7.B.1|1
Offside Lower Seat belt anchorage prescribed area is excessively corroded |5.2.6|1
Nearside Windscreen wiper blade deteriorated |8.2.2|1
Offside Windscreen wiper blade deteriorated |8.2.2|1
All position lamps not working |1.1.A.3b|1
Nearside Headlamp not working on dipped beam |1.7.5a|1
Offside Headlamp not working on dipped beam |1.7.5a|1
Nearside Headlamp not working on main beam |1.7.5a|1
Offside Headlamp not working on main beam |1.7.5a|1
Fuel system component leaking |7.2.3|1
Nearside Stop lamp|s| not working |4.3.1 |a| |ii||1
Rear Exhaust mounting missing |7.1.1b|1
Hazard warning switch faulty |1.4.B.1d|1
Hazard warning tell tale not working correctly |1.4.B.1e|1
Offside Front Direction indicator incorrect colour |1.4.A.2f|1
Offside Rear Brake pipe inadequately clipped |3.6.B.1|1
Nearside Front Upper Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2|1
Rear Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2|1
Offside Stop lamp|s| not working |4.3.1 |a| |ii||1
Fuel hose excessively chafed pipe from tank rubbing on rear suspenion |7.2.2|1
Fuel hose leaking on sender unit connections |7.2.3|1
Brakes imbalanced across an axle1
Offside Seat belt anchorage prescribed area is excessively corroded |5.2.6|1
Centre Exhaust has a major leak of exhaust gases |7.1.2|1
Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3|1
Nearside Front Shock absorber has negligible damping effect |2.7.5|1
Nearside Seat belt anchorage prescribed area is excessively corroded |5.2.6|1
rear parking |secondary| brakes imbalanced1
Offside Stop lamp not working |1.2.1b|1
Rear Braking system leaking |3.6.A.1|1

We get to these numbers by trawling through over 1 billion MOT test results since 2004 and crunched the numbers. We remove anything to do with Tyres, as they are model independent and group together common non-model specific issues. We are trying to get to a picture of what models have what issues.

Please note: We take the data from the DVSA. This data is raw and can contain typos and spelling mistakes that garages may have entered while recording a MOT result. Specifically miss-match on names of models and makes. We are constantly cleaning the data so bear with the odd issue.

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